 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author educacionit
 */
public class action extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet action</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet action at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //processRequest(request, response);
        HttpSession ss = request.getSession();
        String nombre = request.getParameter("nombre");
        String apellido = request.getParameter("apellido");
        List<String> errores = new ArrayList<String>();
        if(nombre == null)
        {
            errores.add("falta user");
        }
        if(apellido == null)
        {
            errores.add("falta password");
        }
        if(!nombre.equals("dante")) 
            errores.add("usuario incorrecto");
        
        if(!apellido.equals("panella"))
            errores.add("password incorrecto");
        
        if(!errores.isEmpty()){
            request.setAttribute("listaErrores", errores);
            request.getRequestDispatcher("index.jsp").forward(request, response);
            
        }else{
            
            ss.setAttribute("adm", nombre);
            response.sendRedirect("administrador.jsp");
        }
            
        
        
        
        
            
        
      //  response.sendRedirect("respuesta.jsp?nombre=" + nombre +"&apellido="+apellido);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
